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Tue, 30 Jan 2024 02:43:06 +0000 (UTC) From: Rudraksha Gupta via B4 Relay Date: Mon, 29 Jan 2024 18:43:07 -0800 Subject: [PATCH 2/2] ARM: dts: qcom: msm8960: expressatt: Add mXT224S touchscreen Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240129-expressatt_mxt224s_touchscreen-v1-2-fb8552e1c32c@gmail.com> References: <20240129-expressatt_mxt224s_touchscreen-v1-0-fb8552e1c32c@gmail.com> In-Reply-To: <20240129-expressatt_mxt224s_touchscreen-v1-0-fb8552e1c32c@gmail.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rudraksha Gupta X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1706582586; l=1620; i=guptarud@gmail.com; s=20240120; h=from:subject:message-id; bh=4Gi3ILnitkF34hh7B1r4k2VP7IMCG7Hjj/6AwpaU750=; b=glGc0tlN1FYtvPmVUQWslsCsjE5EMGR/UNEHeqUB2jpo5OOSQO5qq9wIE5HbwMCkwH2BzXEJs H7KAFnIl4ahC7MfYyk65Voe0WfqTNP70P9KSDCsySRwDT6Coc1/JoRf X-Developer-Key: i=guptarud@gmail.com; a=ed25519; pk=RGmug3GRHS4XYTXDcT2VrlTGXlEF2gY4L9/swGIU1ko= X-Endpoint-Received: by B4 Relay for guptarud@gmail.com/20240120 with auth_id=114 X-Original-From: Rudraksha Gupta Reply-To: From: Rudraksha Gupta Add mXT224S touchscreen Signed-off-by: Rudraksha Gupta --- .../dts/qcom/qcom-msm8960-samsung-expressatt.dts | 31 +++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts index 47e0e26ad9f0..af6cc6393d74 100644 --- a/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-samsung-expressatt.dts @@ -85,6 +85,27 @@ &gsbi1_spi { status = "okay"; }; +&gsbi3 { + qcom,mode = ; + status = "okay"; +}; + +&gsbi3_i2c { + status = "okay"; + + // Atmel mXT224S touchscreen + touchscreen@4a { + compatible = "atmel,maxtouch"; + reg = <0x4a>; + interrupt-parent = <&msmgpio>; + interrupts = <11 IRQ_TYPE_EDGE_FALLING>; + vdda-supply = <&pm8921_lvs6>; + vdd-supply = <&pm8921_l17>; + pinctrl-names = "default"; + pinctrl-0 = <&touchscreen>; + }; +}; + &msmgpio { spi1_default: spi1-default-state { mosi-pins { @@ -123,6 +144,14 @@ gpio_keys_pin_a: gpio-keys-active-state { drive-strength = <8>; bias-disable; }; + + touchscreen: touchscreen-int-state { + pins = "gpio11"; + function = "gpio"; + output-enable; + bias-disable; + drive-strength = <2>; + }; }; &pm8921 { @@ -285,7 +314,7 @@ pm8921_l16: l16 { }; pm8921_l17: l17 { - regulator-min-microvolt = <1800000>; + regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; bias-pull-down; };